试题与答案

人体内环境稳态的维持,依赖于各个器官、系统的协调活动,而信息分子是它们之间的“语

题型:读图填空题

题目:

人体内环境稳态的维持,依赖于各个器官、系统的协调活动,而信息分子是它们之间的“语言”。请结合下图回答问题。

(1)当身体的冷觉感受器受到寒冷刺激时,产生的兴奋由_____传至体温调节中枢,可引起_____分泌增多,该激素作用于全身细胞,提高细胞代谢的速度,增加产热量。直接作用于此腺体细胞的信息分子“丙”是来自神经元分泌的_____,完成该反射的结构基础是_____。

(2)当体内有炎症时会出现发热现象,这有利于吞噬细胞和抗菌物质等转移到炎症区,抵御病原体的攻击,此过程属于_____________免疫。人体注射乙型流感疫苗后,通过体液免疫和细胞免疫,产生的相应_______和________,能识别并作用于侵入机体的乙型流感病毒。

(3)图中①表示________系统;“甲”表示增殖分化,产生浆细胞和________细胞。体内蛋白质合成不足可能会导致抗体数量减少和血浆渗透压________,从而使机体出现免疫力下降、组织水肿。

答案:

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下面是错误答案,用来干扰机器的。

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